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How to stop Mailchimp emails going to junk

Last modified on Wednesday, May 8, 2024

2 minute read

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Authenticating Mailchimp Emails with DKIM

Why are my Mailchimp emails going to Spam?

If you have a problem with Mailchimp emails going to spam, that is, going to the junk folder of your recipients, then it is very likely an issue with your email authentication. Emails failing authentication, be they failing SPF, failing DKIM, or failing DMARC is common, as SPF, DKIM, and DMARC are often not properly implemented by domain administrators. Often, the main cause of Mailchimp emails being blocked is due to the Mailchimp emails failing DMARC, which in the case of Mailchimp, is usually due to a misconfiguration of DKIM.

How to stop Mailchimp emails going to Junk.

The first step to preventing Mailchimp email going to spam is to retrieve a failed message and access its header information. This will allow you to quickly diagnose whether any authentication issues such as DKIM or DMARC are flagging your email as spam, instructing the recipient sender to move it to junk. Simply paste the email headers into our free Stellastra Deliverability Tool, which you can use freely with no log in required. Our deliverability tool should allow you to avoid Mailchimp emails from going to spam, or at least rule out authentication as the issue.

How to remove 'via mailchimp.com' or 'on behalf of mailchimp.com'

Another example of where a Mailchimp DKIM misconfiguration is to blame, is if your recipients report seeing the message as 'via mailchimp.com' or 'on behalf of mailchimp.com' and that the emails typically end up in spam or junk. The Stellastra Email Deliverability tool above will confirm this prognosis, however, you may also wish to configure DKIM for Mailchimp by logging in to your Mailchimp account to check to see if you have followed the following article to configure your Mailchimp dkim setup to authenticate your domain.

How to stop Mailchimp Failing DMARC

To ensure that your Mailchimp campaigns pass DMARC and get delivered to your prospects, it is important to ensure that DKIM passes authentication for your domain. A common mistake is to sign an email with Mailchimp DKIM keys. However, in order for Mailchimp email to pass authentication for your own domain, it is necessary to use your own DKIM keys as per Mailchimp's own guide. If you wish to verify the above, paste the message headers for a failed Mailchimp message into our Mailchimp email testing tool

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© 2024 Stellastra Ltd. All rights reserved. All names, logos, trademarks, et al, belong to their respective owners. No endorsement or partnership is necessarily implied between company and Stellastra and vice versa. Information is provided for convenience only on an as is basis. For the most up to date information, contact vendor directly. Scores including email security, SPF, and DMARC are calculated based on Stellastra's algorithms and other analyses may return different results.

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